21028017

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1\times {\mathrm{449}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 28641600

約数和(自身を除く): 7613583

約数列:

[1, 3, 67, 201, 233, 449, 699, 1347, 15611, 30083, 46833, 90249, 104617, 313851, 7009339, 21028017]

約数ペア:

[(1, 21028017), (3, 7009339), (67, 313851), (201, 104617), (233, 90249), (449, 46833), (699, 30083), (1347, 15611)]